Old Garrett ACE machines work well on dry sand, but when approaching saltwater it’s necessary to reduce the detector’s sensitivity. The new Garrett ACE devices have a new processor. Watch the video: a Garrett ACE 400i test at the beach. Are there any changes?
Read about the new Garrett processor here (this one is really called Garrett – awesome!). All about Garrett ACE 400i, the new product 2016, is collected here (news, videos, tests, comparisons), and here (specs, features, searchcoils).